426627761 has 12 divisors (see below), whose sum is σ = 504696240. Its totient is φ = 359480520.

The previous prime is 426627749. The next prime is 426627763. The reversal of 426627761 is 167726624.

It is not a de Polignac number, because 426627761 - 2¹⁸ = 426365617 is a prime.

It is a super-2 number, since 2×426627761² = 364022492911746242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426627763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70895 + ... + 76676.

It is an arithmetic number, because the mean of its divisors is an integer number (42058020).

Almost surely, 2^426627761 is an apocalyptic number.

It is an amenable number.

426627761 is a deficient number, since it is larger than the sum of its proper divisors (78068479).

426627761 is a wasteful number, since it uses less digits than its factorization.

426627761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147644 (or 147637 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 426627761 is about 20654.9694020592. The cubic root of 426627761 is about 752.8059401380.

The spelling of 426627761 in words is "four hundred twenty-six million, six hundred twenty-seven thousand, seven hundred sixty-one".